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针对广州市轨道交通三号线北延项目车辆永久负载回路二极管频繁发生烧损的现象,从二极管所在工作回路的负载特性和二极管本身的性能等方面分析故障原因,结合现场实测情况,提出改进方案。
Aiming at the frequent burning of the permanent load diode of the vehicle in the north extension project of Guangzhou Metro Line 3, the cause of the failure is analyzed from the load characteristics of the working loop where the diode is located and the performance of the diode itself. Combined with the field measurement, the improvement scheme .